1243022324401 has 16 divisors (see below), whose sum is σ = 1523826702720. Its totient is φ = 997743669120.

The previous prime is 1243022324399. The next prime is 1243022324413. The reversal of 1243022324401 is 1044232203421.

It is not a de Polignac number, because 1243022324401 - 2¹ = 1243022324399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1243022324401.

It is not an unprimeable number, because it can be changed into a prime (1243022324441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188963316 + ... + 188969893.

It is an arithmetic number, because the mean of its divisors is an integer number (95239168920).

Almost surely, 2^{1243022324401} is an apocalyptic number.

1243022324401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1243022324401 is a deficient number, since it is larger than the sum of its proper divisors (280804378319).

1243022324401 is a wasteful number, since it uses less digits than its factorization.

1243022324401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377933256.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1243022324401 its reverse (1044232203421), we get a palindrome (2287254527822).

The spelling of 1243022324401 in words is "one trillion, two hundred forty-three billion, twenty-two million, three hundred twenty-four thousand, four hundred one".